package thread;

class MyThread2 extends Thread {
    @Override
    public void run() {
        while (true) {
            System.out.println("hello thread");
            try {
                Thread.sleep(1000);//受查异常
            } catch (InterruptedException e) {
                throw new RuntimeException(e);//alt+回车召唤try catch
            }
        }
    }
}
public class ThreadDemo2{
    public static void main(String[] args) {
        Thread t = new  MyThread2();
        t.start();

        while (true) {
            System.out.println("hello main");
            //俩个线程的执行顺序是不清楚的(抢占式执行)
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }

            //    jdk里面bin里面的jconsole工具也可以看到java写的进程

        }
    }
}
